CN107990811A - A kind of device for detecting cam profile - Google Patents
A kind of device for detecting cam profile Download PDFInfo
- Publication number
- CN107990811A CN107990811A CN201711307596.XA CN201711307596A CN107990811A CN 107990811 A CN107990811 A CN 107990811A CN 201711307596 A CN201711307596 A CN 201711307596A CN 107990811 A CN107990811 A CN 107990811A
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- CN
- China
- Prior art keywords
- cam
- measured
- standard gauge
- profile
- detecting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A kind of device for detecting cam profile of disclosure, including for detecting the standard gauge block (1) of cam contour to be measured, the standard gauge block (1) is equipped with the detection hole (11) consistent with cam contour to be measured.Using device for detecting cam profile disclosed in the present application, since cam to be measured is put into the standard gauge block (1), if profile of the cam contour to be measured completely with the detection hole (11) on the standard gauge block (1) matches, then it represents that cam contour to be measured is qualified；Otherwise, it is unqualified.Therefore, it can fast and effeciently judge cam contour to be measured, avoid repeatedly reading from calculating, save detection time, alleviate work slightly, improve the detection efficiency of cam contour.
Description
Technical field
The present invention relates to field of measuring technique, more particularly to a kind of device for detecting cam profile.
Background technology
Cam mechanism generally includes cam, driven member and rack, has the advantages that simple in structure, compact, reliable operation, and one
As, cam contour be according to can make driven member realize expected from the characteristics of motion design, therefore, the shape of cam profile curve
Determine the characteristics of motion of driven member.In order to guarantee to make driven member accurate motion, detection cam contour, which just seems, particularly must
Will.
At present, cam contour detection relies primarily on cam contour detector, and cam contour detector includes treating for installation
Survey the camshaft and the matched driven member of cam to be measured of cam, and two volumes for being separately mounted to camshaft and driven member
Code device.The camshaft for being provided with cam to be measured is rotated clockwise or counterclockwise, cam to be measured is observed and is turned to since zero-bit and push away
Journey starting position and the data that two encoders are fed back during turning to zero-bit from rise starting position, be repeatedly detected,
Collect data, draw cam contour to be measured, then analyze whether cam to be measured is qualified, and whole process is comparatively laborious, detection efficiency
It is low.
The content of the invention
In view of this, it is an object of the invention to provide a kind of device for detecting cam profile, cam contour can be improved
Detection efficiency.
Its concrete scheme is as follows：
The invention discloses a kind of device for detecting cam profile, including for detecting the standard gauge block of cam contour to be measured,
The standard gauge block is equipped with the detection hole consistent with cam contour to be measured.
Preferably, the supporting block for being installed on below the standard gauge block, being used to support the standard gauge block is further included.
Preferably, the center of the supporting block is equipped with centre bore.
Preferably, the central axis of the centre bore through the detection hole basic circle the center of circle, and with the detection
The profile in hole is perpendicular.
Preferably, further include between the standard gauge block and the supporting block, for limiting cam position to be measured
Guide part.
Preferably, the guide part includes：
The perforative location hole on the thickness direction of the supporting block；
Through the location hole and extend to the positioning pin of the detection hole bottom.
Relative to background technology, device for detecting cam profile provided by the present invention, including for detecting cam wheel to be measured
Wide standard gauge block, the standard gauge block are equipped with the detection hole consistent with cam contour to be measured.Therefore, testing staff is detecting
During the contour line of cam to be measured, it is only necessary to be positioned over cam to be measured in the detection hole of the standard gauge block, when cam to be measured can not
It is positioned in the detection hole, it is meant that the radius in certain point to its basic circle center of circle is larger on the contour line of cam to be measured, therefore
Cam to be measured is unqualified at this time；When cam to be measured can be positioned in the detection hole, but partial contour can not be with the inspection
The profile of gaging hole fits like a glove, it is meant that the radius in cam certain point to its basic circle center of circle to be measured is smaller, so when cam wheel
It is wide unqualified；When the profile of cam to be measured matches with the profile of the detection hole completely, cam contour is qualified at this time.
Therefore, during cam contour to be measured detects, testing staff only needs to be touched with hand or visual determination, you can sentences
Whether the cam contour to be measured that breaks is qualified, without reading data, record data repeatedly, drawing cam contour, saves cam contour
Detection time, alleviate the labor intensity of operating personnel, lifted the efficiency of cam contour.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is provided device for detecting cam profile main view diagrammatic cross-section by a kind of embodiment of the present invention；
Fig. 2 is provided device for detecting cam profile top cross-sectional view by a kind of embodiment of the present invention；
Fig. 3 is provided device for detecting cam profile side elevational cross-section schematic diagram by a kind of embodiment of the present invention；
The main view section that Fig. 4 provides when device for detecting cam profile uses for a kind of embodiment of the present invention is illustrated
Figure.
Reference numeral is as follows：
Standard gauge block 1 and detection hole 11；
Supporting block 2 and centre bore 21；
Guide part 3, location hole 31 and positioning pin 32；
Camshaft 4.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Please refer to Fig.1 to Fig. 4, Fig. 1 and provided device for detecting cam profile main view by a kind of specific embodiment of the present invention and cutd open
Face schematic diagram；Fig. 2 is provided device for detecting cam profile top cross-sectional view by a kind of specific embodiment of the present invention；Fig. 3 is
A kind of specific embodiment of the present invention provides device for detecting cam profile side elevational cross-section schematic diagram；Fig. 4 is a kind of specific for the present invention
Embodiment provides main view diagrammatic cross-section when device for detecting cam profile uses.
The embodiment of the invention discloses a kind of device for detecting cam profile, including standard gauge block 1, supporting block 2 and guide part
3。
Standard gauge block 1 is mainly for detection of cam contour to be measured.Standard gauge block 1 is equipped with consistent with cam contour to be measured
Detection hole 11.In this specific embodiment, standard gauge block 1 is common metal plate, is offered at the center of the metal for detecting
The detection hole 11 of profile of plate cam.When needing to detect cam contour to be measured, it is only necessary to cam to be measured is put into detection hole 11,
If cam to be measured can not be put into detection hole 11, illustrates on cam contour to be measured certain point or a certain section is arrived its basic circle center of circle
Radius it is larger, it is meant that cam contour to be measured is unqualified；If cam to be measured can be put into detection hole 11, but cam to be measured
Profile can not fit like a glove with the profile of detection hole 11, illustrate on cam contour to be measured certain point or a certain section it is round to its benchmark
The radius of the heart is smaller, it is meant that cam contour to be measured is unqualified.Only when profile of the cam contour to be measured completely with detection hole 11
When matching, represent that cam contour to be measured is qualified.
In this specific embodiment, cam to be measured is loaded and unloaded for convenience, and detection hole 11 is the thickness direction in standard gauge block 1
Upper perforative through hole, certainly, detection hole 11 can also be the blind hole being located on standard gauge block 1.In order to fully detect cam to be measured
Whether profile is qualified, and usually, the depth of detection hole 11 is more than the thickness of the profile of cam to be measured.An in addition, detection hole 11
The identical disc cam of a set of contour shape can only be detected, is especially conducive to quickly judge cam wheel to be measured in batch production
It is wide whether qualified, be conducive to improve detection efficiency.
Supporting block 2 is installed on the lower section of standard gauge block 1, is mainly used for supporting standard gauge block 1.Opened at the center of supporting block 2
Equipped with centre bore 21, the central axis of centre bore 21 passes through the basic circle center of circle of detection hole 11, and with the profile phase of detection hole 11
Vertically.In this specific embodiment, supporting block 2 is common metallic plate.Centre bore 21 is primarily to facilitate camshaft 4 to wear
Cross, to detect the profile of plate cam on camshaft 4.During detection, it is only necessary to camshaft 4 is inserted into centre bore 21, then hand
Touch or whether the profile of plate cam on camshaft 4 matches with the profile of detection hole 11 soon, can judge on camshaft 4
Whether profile of plate cam is qualified.Usually, the medial side wall profiles of centre bore 21 and the foreign steamer profile of 4 inserting end of camshaft to be measured
Shape is consistent, and in this specific embodiment, the inserting end of camshaft 4 is cylinder, therefore centre bore 21 is specially cylindrical hole, when
So, centre bore 21 can also be the through hole or stepped hole of other shapes, as long as centre bore 21 can guarantee that camshaft 4 to be measured through i.e.
Can.
Guide part 3 is usually provided between standard gauge block 1 and supporting block 2, is mainly used for limiting cam position to be measured.In the tool
In body embodiment, guide part 3 includes location hole 31 and positioning pin 32.Location hole 31 usually passes through on the thickness direction of supporting block 2
It is logical, its top and the bottom connection of detection hole 11.Location hole 31 is generally proximal to centre bore 21.Positioning pin 32 passes through location hole 31,
And the bottom of detection hole 11 is extended to, still, the length that positioning pin 32 is extended in detection hole 11 is unsuitable long, does not otherwise have
Positioning action, influences the detection of cam contour to be measured on the contrary.Location hole 31 is engaged with positioning pin 32, is cylinder, certainly,
Can also be other shapes.Certainly, the structure not limited to this of guide part 3.
In conclusion device for detecting cam profile provided by the present invention, including standard gauge block 1, supporting block 2 and guide part
3.Cam to be measured is put into standard gauge block 1, if profile phase of the cam contour to be measured completely with the detection hole 11 on standard gauge block 1
It coincide, then it represents that cam contour to be measured is qualified；Otherwise, it is unqualified.Therefore, cam contour to be measured can be fast and effeciently judged,
Avoid repeatedly reading from calculating, save detection time, alleviate the labor intensity of operating personnel, improve the detection of cam contour
Efficiency.
Finally, it is to be noted that, herein, such as term " comprising ", "comprising" or its any other variant
Non-exclusive inclusion is intended to, so that process, method, article or equipment including a series of elements not only include
Those key elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic key element of person's equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", not
Also there are other identical element in the process, method, article or apparatus that includes the element for exclusion.
Device for detecting cam profile provided by the present invention is described in detail above, it is used herein specifically a
Example is set forth the principle of the present invention and embodiment, and the explanation of above example is only intended to help to understand the present invention's
Method and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion this specification content should not be construed as limiting the invention.
Claims (6)
- A kind of 1. device for detecting cam profile, it is characterised in that including the standard gauge block (1) for detecting cam contour to be measured, The standard gauge block (1) is equipped with the detection hole (11) consistent with cam contour to be measured.
- 2. device for detecting cam profile according to claim 1, it is characterised in that further include and be installed on the standard gauge block (1) lower section, be used to support the supporting block (2) of the standard gauge block (1).
- 3. device for detecting cam profile according to claim 2, it is characterised in that the center of the supporting block (2) is equipped with Centre bore (21).
- 4. device for detecting cam profile according to claim 3, it is characterised in that the central axis of the centre bore (21) Through the center of circle of the basic circle of the detection hole (11), and it is perpendicular with the profile of the detection hole (11).
- 5. according to claim 2 to 4 any one of them device for detecting cam profile, it is characterised in that further include arranged on described Guide part (3) between standard gauge block (1) and the supporting block (2), for limiting cam position to be measured.
- 6. device for detecting cam profile according to claim 5, it is characterised in that the guide part (3) includes：The perforative location hole (31) on the thickness direction of the supporting block (2)；Through the location hole and extend to the positioning pin (32) of the detection hole (11) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307596.XA CN107990811A (en) | 2017-12-11 | 2017-12-11 | A kind of device for detecting cam profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307596.XA CN107990811A (en) | 2017-12-11 | 2017-12-11 | A kind of device for detecting cam profile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107990811A true CN107990811A (en) | 2018-05-04 |
Family
ID=62035742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711307596.XA Pending CN107990811A (en) | 2017-12-11 | 2017-12-11 | A kind of device for detecting cam profile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107990811A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458915A (en) * | 2018-12-21 | 2019-03-12 | 焦作大学 | A kind of detecting tool and detection method of profile of plate cam |
| CN112880513A (en) * | 2021-01-18 | 2021-06-01 | 遵义航天新力精密铸锻有限公司 | Detection tool for coaxial different axial surfaces of part |
-
2017
- 2017-12-11 CN CN201711307596.XA patent/CN107990811A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458915A (en) * | 2018-12-21 | 2019-03-12 | 焦作大学 | A kind of detecting tool and detection method of profile of plate cam |
| CN109458915B (en) * | 2018-12-21 | 2020-12-22 | 焦作大学 | Detection tool and detection method for profile of disc cam |
| CN112880513A (en) * | 2021-01-18 | 2021-06-01 | 遵义航天新力精密铸锻有限公司 | Detection tool for coaxial different axial surfaces of part |
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Application publication date: 20180504 |
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| RJ01 | Rejection of invention patent application after publication |